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Problem

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Textbook Expert
Textbook ExpertVerified Tutor
16 Nov 2021

Given information

Current,  

 Magnetic field  

 Length  

 

 

Step-by-step explanation

Step 1.

To keep the velocity of the rod constant there must be the same external force on the right as the current is in the upward magnetic field and the magnetic force is on the left.

Calculate the external force  (for a constant )

 

 

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